Essays on Infinite Lifespans   Russell Blackford 269 live to the full, pursue our projects, and enjoy our relation- ships and interests for as long as we can, with no equivocation or apology. If we can extend the span of robust human life, or even live indefinitely, that is a prospect to embrace with all our optimism and energy. References 1) Williams, Bernard; “The Makropulos Case: Reflections on the Tedium of Immortality” in: Williams’ Problems of the Self: Philosophical Papers 1956–1972 (1976, paperback edition), Cambridge Univ. Press; pg.82– 2) Epicurus; 1987, extracts from Letter to Menoeceus, Vatican Sayings, and Key Doctrines in: The Hellenistic Philosophers, Volume 1: Translations of the Principal Sources, With Philosophical Commentary (1987); Long and Sedley, Cambridge Univ. Press, pg.149– 3) Nagel, Thomas; “Death” in: Nagel’s Mortal Questions (1979) Cambridge Univ. Press ; 1– 4) Lucretius; De Rerum Natura in: The Hellenistic Philosophers, Volume 1: Translations of the Principal Sources, With Philosophical Commentary (1987) Long and Sedley, Cambridge Univ. Press, pg.151 5) Kaufman, Frederik; “Death and Deprivation; Or, Why Lucretius’ Symmetry Argument Fails” in: Australasian Journal of Philosophy (1996, vol. 74); pg.305– 6) Nussbaum, Martha C; “Mortal Immortals: Lucretius on Death and the Voice of Nature” in: Philosophy and Phenomenological Research (1989. vol 50); pg.303–